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Finding the Fourth Proportional to 183,710.10, 253,500.36 and 103,146.48

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Solution

The fourth proportional to 183,710.10, 253,500.36 and 103,146.48 is: 142,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,710.10 : 253,500.36 = 103,146.48 : x
  2. Step 2: Convert to fraction form
    183,710.10/253,500.36 = 103,146.48/x
  3. Step 3: Cross multiply
    183,710.10x = 253,500.36 × 103,146.48
  4. Step 4: Simplify right side
    183,710.10x = 26,147,669,812.73
  5. Step 5: Solve for x
    x = 26,147,669,812.73/183,710.10
  6. Step 6: Final answer
    x = 142,331.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.